lou: after a university professor compared republican lawmakers abiding by the grover norquist anti-tax pledge as seditious and treasonous. up next in nfl star murders his girlfriend, takes his own life in front of his coach and general manager. but let him -- was led him to those acts? leading psychologist answered that question and much more here next. ♪ lou: the weekend murder suicide committed by kannas city linebacker left the nfl community and the country just grasping for answers as to what was going on in this amendment. a great tragedy. the sixth nfl player in the past two years to take is on life. six nfl players raising the questions about traumatic brain energy, the nfl, and what is going on. joining us to help understand as best we can what happened and what we should be thinking about your as citizens, parents and family members and friends, psychologists and professor and psychotherapist. let me start with the fact that this was such a -- i mean, he apparently shot his girlfriend nine times. i mean, this is just an unbelievable. his friends to my teammates, coaches, no